Weather

In a high pressure systems

• there are few clouds because the air in moving downward
• there are many clouds because the air is very humid
• there are few clouds because the air is moving outward
• there are many clouds because the air is moving upward

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

A front is

• where warm air is cooling at earth's surface
• a boundary where hot and cold air are separating
• a boundary where two different air masses meet
• where cold air is rising and forming rain clouds

Tags

NGSS.MS-ESS2-5

A cold front usually brings what kind of weather?

• snow  
• sunny and fair
• heavy rain and/or thunderstorms 
•  cool and dry 

Tags

NGSS.MS-ESS2-5

What is an air mass?

• a place where weather always changes in an extreme way
• a large body of air with the same temperature and moisture
• any cloud that produces rain, sleet, snow or hail
• any kind of air, as long as it is always wet and freezing

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the purpose of a barometer?

• Tells you that it is going to rain.
• Measures the amount of wind.
• Measusres the amount of clouds in the sky.
• It measure the amount of pressure in the air.

What kind of pressure predicts clear weather?

• high
• low
• cold
• stationary

Tags

NGSS.MS-ESS2-5

What would you expect from a Continental Polar air mass? 

• moist, warm air
• dry, cold air
• dry, warm air

Tags

NGSS.MS-ESS2-5

What would you expect from a Maritime Tropical air mass? 

• dry, warm air
• moist, cold air
• moist, warm air

Tags

NGSS.MS-ESS2-5

What is the first layer of the Atmosphere? (lowest)

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

Air pressure is greatest when near Earth's surface because?

• The air molecules are farther apart.

• The air molecules are closer together.

• Air molecules collide.

• There's more oxygen